bool ClangCodeCompletionModel::shouldStartCompletion(
KTextEditor::View* const view
, const QString& inserted_text
, const bool user_insertion
, const KTextEditor::Cursor& pos
)
{
auto* const doc = view->document(); // get current document
auto result = false;
auto* const iface = qobject_cast<KTextEditor::HighlightInterface*>(doc);
if (iface)
{
auto is_completion_needed = user_insertion
&& m_plugin->config().autoCompletions()
&& isSuitableDocumentAndHighlighting(doc->mimeType(), iface->highlightingModeAt(pos))
;
if (is_completion_needed)
{
auto text = inserted_text.trimmed();
result = text.endsWith(QLatin1String(".")) || text.endsWith(QLatin1String("->"));
}
}
kDebug(DEBUG_AREA) << "result:" << result;
return result;
}
/**
* Initiate completion when there is \c #include on a line (\c m_range
* in a result of \c parseIncludeDirective() not empty -- i.e. there is some file present)
* and cursor placed within that range... despite of completeness of the whole line.
*/
bool IncludeHelperCompletionModel::shouldStartCompletion(
KTextEditor::View* view
, const QString& inserted_text
, bool user_insertion
, const KTextEditor::Cursor& position
)
{
kDebug(DEBUG_AREA) << "position=" << position << ", inserted_text=" << inserted_text << ", ui=" << user_insertion;
m_should_complete = false;
auto* doc = view->document(); // get current document
auto line = doc->line(position.line()); // get current line
auto* iface = qobject_cast<KTextEditor::HighlightInterface*>(doc);
// Do nothing if no highlighting interface or not suitable document or
// a place within it... (we won't to complete smth in non C++ files or comments for example)
if (!iface || !isSuitableDocumentAndHighlighting(doc->mimeType(), iface->highlightingModeAt(position)))
return m_should_complete;
// Try to parse it...
auto r = parseIncludeDirective(line, false);
m_should_complete = r.m_range.isValid();
if (m_should_complete)
{
kDebug(DEBUG_AREA) << "range=" << r.m_range;
m_should_complete = position.column() >= r.m_range.start().column()
&& position.column() <= r.m_range.end().column();
if (m_should_complete)
{
m_closer = r.close_char();
kDebug(DEBUG_AREA) << "closer=" << m_closer;
}
}
else if (position.column() == line.length())
{
auto text = tryToCompleteIncludeDirective(line.mid(0, position.column()).trimmed());
m_should_complete = !text.isEmpty();
if (m_should_complete)
{
/// \todo Hardcoded angle bracket! Better to check what file was selected
/// (from system path or session specific) and replace it accordingly...
text += QLatin1String(" <");
auto start = position;
start.setColumn(0);
auto range = KTextEditor::Range{start, position};
view->document()->replaceText(range, text);
}
}
return m_should_complete;
}
/**
* We don't care about how many lines possible was inserted. Just consider
* a current one.
*/
bool PreprocessorCompletionModel::shouldStartCompletion(
KTextEditor::View* const view
, const QString& /*inserted_text*/
, const bool /*user_insertion*/
, const KTextEditor::Cursor& position
)
{
m_should_complete = false;
auto* const doc = view->document(); // get current document
auto* const iface = qobject_cast<KTextEditor::HighlightInterface*>(doc);
// Do nothing if no highlighting interface or not suitable document or
// a place within it... (we won't to complete smth in non C++ files or comments for example)
if (!iface || !isSuitableDocumentAndHighlighting(doc->mimeType(), iface->highlightingModeAt(position)))
return false;
auto text_before = doc->text({KTextEditor::Cursor(position.line(), 0), position});
kDebug(DEBUG_AREA) << "text_before=" << text_before;
/// Check if current line starts w/ \c '#' which is a sign of a preprocessor directive.
if (text_before[0] == '#')
{
text_before = text_before.remove(0, 1).trimmed();
kDebug(DEBUG_AREA) << "again text_before=" << text_before;
/// Then make sure the text after it, is a subset of some
/// hardcoded item from the \c COMPLETIONS table.
m_should_complete = text_before.isEmpty() || std::any_of(
begin(COMPLETIONS)
, end(COMPLETIONS)
, [&text_before](const auto& item)
{
auto text = item.text;
const auto end_of_first_word = text.indexOf(' ');
if (end_of_first_word != -1)
// Strip tail of the completion item... only first word is interesting!
text = text.left(end_of_first_word);
return text_before.size() < text.size() && text.startsWith(text_before);
}
);
kDebug(DEBUG_AREA) << "m_should_complete=" << m_should_complete;
return m_should_complete;
}
return false;
}
